Across
- 2. The star at the center of our solar system that provides light and heat to the planets.
- 3. A celestial object composed of ice, dust, and rock that orbits around the Sun, often displaying a visible tail.
- 5. A scientist who studies celestial objects such as stars, planets, galaxies, and other phenomena in the universe.
- 8. A vehicle designed for travel or operation in outer space, used for exploring and conducting scientific experiments.
- 10. An object that orbits around a planet or a star, used for communication, weather observation, and other purposes.
- 12. system The collection of planets, moons, asteroids, comets, and other celestial bodies that orbit around the Sun.
- 13. A person who is trained to travel and work in space, often on spacecraft or the International Space Station (ISS).
- 14. The force of attraction that pulls objects toward each other, keeping planets in orbit around the Sun and feet on Earth.
- 15. A small body of matter that enters the Earth's atmosphere from outer space, producing a streak of light as it burns up.
Down
- 1. The natural satellite of Earth that orbits around it and reflects the light of the Sun.
- 2. A luminous celestial body consisting of a mass of gas held together by its own gravity, emitting light and heat.
- 4. A vehicle designed to propel itself by expelling exhaust gases from one end, used to launch spacecraft into space.
- 6. An instrument used to observe distant objects in space by collecting and magnifying light.
- 7. A large system of stars, gas, and dust held together by gravity, such as the Milky Way.
- 9. A celestial body that orbits around a star, has sufficient mass for its gravity to shape it into a spherical shape.
- 11. The third planet from the Sun in our solar system, known as the "Blue Planet" and the home of human beings.